"It’s refreshing to know that from the bustling cities of the East Bay, just minutes from Oakland, you can get out into the “woods,” away from the city madness. Redwood Regional Park is a gem. Here, you can enjoy a great workout, riding this 9.7-mile loop, comprised of mildly to moderately challenging fire roads. And for added spice, there’s a 2.8-mile stretch that technically advanced bikers will love. But that’s not to say strong beginners should avoid this route. This loop can be ridden in whatever direction suits your ability. If you’re a strong beginner with only basic bike handling skills, go for the clockwise direction. If you’re an adventurous intermediate or advanced rider, you’ll find the counterclockwise direction to be more fun and challenging. The clockwise direction lets you savor a fast, mildly technical 3.3-mile descent, followed by a 2.8 somewhat advanced technical uphill section. The technical section is made challenging by irregularly shaped and sized large slabs of rocks, effectively creating a sort of stair-stepping terrain, spiced with short drops and some loose dirt and rock."